Mineral oils: processes and products – Chemical conversion of hydrocarbons – With preliminary treatment of feed
Patent
1982-06-24
1984-07-24
Gantz, Delbert E.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
With preliminary treatment of feed
208143, 208309, 208 37, 208 40, 208 44, 208112, C10G 4500, C10G 4702, C10G 4704, C10G 308
Patent
active
044616996
ABSTRACT:
In the preparation of a heavy oil with a low Ramsbottom Carbon Test (RCT) from a long residue by a two-stage process comprising catalytic hydrotreatment followed by solvent deasphalting and recycle of the asphalt to the first stage the catalytic hydrotreatment for RCT reduction in the first stage is carried out at such a severity that the C.sub.4.sup.- gas production per percent RCT reduction is kept between defined limits.
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Eilers Jacobus
Stork Willem H. J.
Duncan John M.
Gantz Delbert E.
Maull Helane E.
Shell Oil Company
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